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		<title>Appendix</title>
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		<h1 id="Appendix_1:_Filtering_Add-On_Metamodel">Appendix 1: Filtering Add-On Metamodel</h1>
		<p>To support the Add-On functionality the Capella metamodel is extended with filtering related information. The Project element can now contain a FilteringModel,  FilteringResults and a CreationDefaultCriterionSet while each CapellaElement can contain an AssociatedFilteringCriterionSet. The following figure shows how all these elements are related. </p>
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